US2926604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosion propagating device
Assignee: Individual
•
Filing: 1952-06-30
•
Granted: 1960-03-01
•
Expires: 1972-06-30
Abstract
No abstract record available.
Inventors
- 👤 Norman A Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
F; F42; F42B; F42B1/00; Y; Y10; Y10S; Y10S102/00; Y10S102/701
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
MEANS FOR INITIATING AN EXPLOSION IN A MASS OF EXPLOSIVE, COMPRISING A FIRST LAYER OF EXPLOSION-PROPAGATING MATERIAL DESIGNED TO BE PLACED IN CONTACT WITH SAID MASS, A SECOND LAYER OF RELATIVELY FAST EXPLOSION PROPAGATING MATERIAL OVERLYING SAID FIRST LAYER, SAID LAYERS TERMINATING IN A COMMON PLANE, AND A DETONATOR APPLIED TO SAID LAYERS AT SAID PLANE.
Claim 2
Dependent Claim
56 words
MEANS FOR INITIATING AN EXPLOSION IN A MASS OF EXPLOSIVE, COMPRISING A FIRST LAYER OF EXPLOSION-PROPAGATING MATERIAL DESIGNED TO BE PLACED IN CONTACT WITH SAID MASS, A SECOND LAYER OF RELATIVELY FAST EXPLOSION PROPAGATING MATERIAL OVERLYING SAID FIRST LAYER, SAID LAYERS TERMINATING IN A COMMON PLANE, AND A DETONATOR APPLIED TO SAID LAYERS AT SAID PLANE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |